An SEO and developer tool to quickly analyze the metadata of any HTML document. Paste your site's HTML source code, and this tool will parse it to extract and display key meta tags, including title, description, keywords, viewport, and Open Graph tags. It provides a checklist of common and important meta tags, indicating which ones are present and which are missing. This is a crucial utility for ensuring your web pages are optimized for search engines and social media sharing, all done securely on the client-side.